| CompactFlash | CompactFlash |
| Compact Disc | compact disc CD |
| Cognacflasche | cognac bottle |
| Kompaktplatte | compact disc |
| Backslash | backslash |
| Kobaltglas | cobalt glass |
| Comicbuch | comic book |
| common law | common law |
| Compiler | compiler |
| Computer | computer |
| Computermaus | mouse |
| Dompfaff | Eurasian bullfinch |
| Dompteuse | tamer |
| Kompasshaus | binnacle |
| Komparse | extra |
| Kompass | compass |
| Kompassrose | compass rose |
| kompakt | compact |
| kompatibel | compatible |
| Empath | empath |